to retrace
01
折返, 原路返回
to return somewhere from the same way that one has come
例子
After realizing he forgot his keys, he had to retrace his steps back to the car.
意识到自己忘了钥匙后，他不得不原路返回到车上。
We had to retrace our route when the trail became unclear.
当小路变得不清晰时，我们不得不重新追踪我们的路线。
02
在脑海中重组, 回忆
reassemble mentally
